40347662046561 has 24 divisors (see below), whose sum is σ = 58666632163776. Its totient is φ = 26719979925600.

The previous prime is 40347662046557. The next prime is 40347662046599. The reversal of 40347662046561 is 16564026674304.

It is a happy number.

40347662046561 is a `hidden beast` number, since 4 + 0 + 3 + 4 + 7 + 6 + 620 + 4 + 6 + 5 + 6 + 1 = 666.

It is not a de Polignac number, because 40347662046561 - 2² = 40347662046557 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40347662046498 and 40347662046507.

It is not an unprimeable number, because it can be changed into a prime (40347662046961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170086711 + ... + 170323763.

It is an arithmetic number, because the mean of its divisors is an integer number (2444443006824).

Almost surely, 2^{40347662046561} is an apocalyptic number.

It is an amenable number.

40347662046561 is a deficient number, since it is larger than the sum of its proper divisors (18318970117215).

40347662046561 is a wasteful number, since it uses less digits than its factorization.

40347662046561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362453 (or 362450 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 54.

The spelling of 40347662046561 in words is "forty trillion, three hundred forty-seven billion, six hundred sixty-two million, forty-six thousand, five hundred sixty-one".